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ORSPI4 датащи(PDF) 88 Page - Lattice Semiconductor

номер детали ORSPI4
подробное описание детали  Dual SPI4 Interface and High-Speed SERDES FPSC
PDF  263 Pages
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производитель  LATTICE [Lattice Semiconductor]
домашняя страница  http://www.latticesemi.com
Logo LATTICE - Lattice Semiconductor

ORSPI4 датащи(HTML) 88 Page - Lattice Semiconductor

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Lattice Semiconductor
ORCA ORSPI4 Data Sheet
88
Figure 33. Read Timing with ASTOP_ON_EOP Deasserted - 32-Bit Mode
SPIA_RX32_
CLK_j
….
….
12
3
4
5
6
SPIA_RX32_RD_j
n
p
FIFO address changes
during last
4-word burst of address n
SPIA_RX32_FIFO_ EMPTY_j
Empty flag is low for FIFO
address p
Addressed by n,
FIFO has three 4-word
bursts of data
SPIA_RX32_DATA_j[31:0]
na
nb
nc
nd
nc
nd
pa
2 cycles after read enable
Port ID
….
nb
First word of
address p
SPIA_RX32_CTL_j
SPIA_RX32_SOP_j
SPIA_RX32_EOP_j
na = word 0 from pointer location in FIFO address n
nb = word 1
nc = word 2
nd = word 3
pa = word 0 from pointer location in address p
FIFO size = 16 locations.
J = 0 - 3
SPIA_RX32_ADDR_j
ASTOP_ON_EOPj
0001
1111
1111
1111
1111
….
1111
SPIA_RX32_BE_jj[3:0]
1111
SPIA_RX32_ERR_j



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